A mobile router comprises: a wide area network wireless interface operable to access a cellular network; first apparatus operable to upload data and to download data via the interface to the cellular network; second apparatus operable to monitor the uploaded data and the downloaded data and to generate data corresponding to predetermined quantifiable units corresponding to the uploaded data and the downloaded data; and the first apparatus and second apparatus cooperatively operate to automatically upload the usage data to a server for generation of usage discrepancy reports.